Question about Dell Optiplex GX280 (99301) Motherboard

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Chipset heat sink not detected in dell optiplex 790

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6ya6ya

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Posted on Jan 02, 2017

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Anonymous

  • 13 Answers

SOURCE: Alert ! chipset heat sink not detected system halted

Repalce your M board

Posted on Jun 17, 2009

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Thao Nguyen

  • 153 Answers

SOURCE: Hello, I've got a Dell Optiplex

Both your CPU and chipset have heatsinks to dissipate the heat they generate.
Over times, the heatsink compound between these components and the heatsinks
may dry up and no longer conducts heat efficiently. Your system on power up,
detects excessive heat from the chipset and if allowed to continue on, will burn
itself up. To protect it, your system shuts itself down.
Open up your case and inspect the chipset. Make sure the fan (if any) is running.
If it is, you may have to remove the heatsink (normally clipped on to the chipset)
and remove the old compound and apply a fresh new layer of heatsink grease.
While you are at it, also replace the heatsink compound of your CPU.

Posted on Jul 12, 2011

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that means that you need to reset your fan and heat sink and/or replace it.

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There is a heat-sink that is attached to the video chip on the motherboard. The restraining clap that holds it in place is probably detached.

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Dell Optiplex S280. Alert! Chipset heat sink not detected.


There is no S280 in the Optipex model line, just GX 280 and SX 280.
The problem you are describing is common to the GX 280 model.
Here is a link to the manual:
ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-gx280_user%27s%20guide_en-us.pdf
Select "Small Form-Factor Computer" and then select "About Your Computer". Scroll down to "System Board Components".
To the right of the processor is a smaller heat-sink attached to the motherboard via a wire similar to the size of a paper clip bent open. That wire is soldered to the motherboard which may have loosened it's connection and the circuit is open. This heat-sink on the chipset of the motherboard. The wire needs to be re-soldered to the motherboard.

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Alert chipset heat sink not detected system halted dell xps 420


Sounds like your heatsink which is inside the computer and sits on top of the CPU is bad. There will probably be a fan that sits on top of the heatsink.

Look on ebay and purchase one for your system.
http://www.ebay.com

I found a new one below on ebay for $14.95 (the link is below)

http://www.ebay.com/itm/New-OEM-Dell-Dimension-9100-XPS-420-430-Heatsink-Assembly-XP850-/350520689627?pt=LH_DefaultDomain_0&hash=item519ca943db

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1 Answer

Alert! Chipset Heatsink not detected. System halted! is the alert that comes up when I turn my computer. What can I do?


Hi scotteg71121...

The alert is caused by a loose chipset heat sink.
Dell has a self test that prevents further damage by halting the system and displaying the message Alert! Chipset heat sink not detected. System Halted.
The solder joint seems to fail from constant tension and heat.
If you find the missing clip inside the computer you can solder it back in place and reattach the chipset heat sink wire hook.
If you can't find the clip you can replace it by bending a thin piece of wire in a half circle.
You can see a picture of where the clip goes on your computer motherboard by following the link below.
Please take time to rate me
http://www.aplusperfect.com/articles/chipset-heatsink-not-detected

Sep 05, 2011 | Dell Dimension 4600C PC Desktop

1 Answer

Hello, I've got a Dell Optiplex GX280 series desktop pc which has refused to boot up. Instead it shows an error saying "Alert! chipset heat sink not detected system halted! Would appreciate your...


Both your CPU and chipset have heatsinks to dissipate the heat they generate.
Over times, the heatsink compound between these components and the heatsinks
may dry up and no longer conducts heat efficiently. Your system on power up,
detects excessive heat from the chipset and if allowed to continue on, will burn
itself up. To protect it, your system shuts itself down.
Open up your case and inspect the chipset. Make sure the fan (if any) is running.
If it is, you may have to remove the heatsink (normally clipped on to the chipset)
and remove the old compound and apply a fresh new layer of heatsink grease.
While you are at it, also replace the heatsink compound of your CPU.

Jul 11, 2011 | Dell Optiplex GX280 (99301) Motherboard

1 Answer

Chipset heat sink not detected


The chip set heat sink is not properly installed on the system board.
Ensure that chip set heat sink is properly installed on the system board.
To locate the system-board chip set heat sink, see "System Board Components."

Feb 18, 2011 | Dell OptiPlex GX280 PC Desktop

1 Answer

Alert chipset heat sink not detected


Turn the computer off.
Disconnect the AC power.
Open the case.
Check that the heat-sink is securely and tightly connected where it should be.

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